10:24pm

Evening blog round-up

Mapping democracy and segregated cities

This map of Buffalo shows the distribution of where people live, by race. Each dot represents 25 people, pink is white people and blue is black people. Hispanic folks are in orange.

Eric Fischervia Flickr

Segregated cities

Rust Wire has the details on a cool mapping project that looks at the distribution of people by race in 40 large U.S. cities. Both Rochester and Buffalo had their "photos" taken – the resulting portraits aren't pretty.

A report (PDF) by the Government Accountability Office (GAO) noted several challenges to the launch of the number of satellites needed to fully meet the needs of everyone using the GPS. They include a ground system that won't be ready until after the launch of the satellites it will support and delays in technology deployment for all three facets of the new system -- space, ground control and user equipment.

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The Innovation Trail is a collaboration
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